°F (25 to 29 °C). Precipitation is light year round, especially in the summer. There are approximately 3,100 hours of sunshine annually. See also Japanese American internment Notes References Keith, Victoria and Rochford, Jerry, "The Sand Island Story", Honolulu, HI. 1981. (video) "Chronology of World War II Hawaiʻi Internees." Accessed March 29, 2015. "Community Reacts to Sand Island Homeless Shelter Proposal." - Hawaii News Now. August 29, 2014. Accessed March 29, 2015. Daysog, Rick. "City Unveils Sand Island Homeless Plan." - Hawaii News Now. August 29, 2014. Accessed March 29, 2015. Dean, Aloha. "Sand Island - Sand Island State Recreation Area." Accessed March 29, 2015. "Internment Camps in Hawai'i." Accessed March 29, 2015. "Sand Island Beach Park." Hawaii Travel Guide. Accessed March 29, 2015. "Sand Island (detention Facility)." Accessed March 29, 2015. External links U.S. National Park Service Honolulu Star Bulletin.com June 2, 2004 Honolulu Advertiser.com September 4, 2006 Honolulu Advertiser.com December 6, 2006 Sand Island State Recreation Area - official site Islands of Hawaii Landforms of Oahu State parks of Hawaii Protected areas of Oahu Tourist attractions in Honolulu Geography of Honolulu